Pretty much all you need. Pretty short game, freeze food and wood to 99999. You can freeze current food to 0 and make infinite troops, but if you play the scenarios in dungeons it will result in an instant loss. So instead put food max at 99999 and freeze it.

Here's a membase version. aka, use with any version of DOSBox as long as you compiled it yourself and have a .pdb file next to your DOSBox executable file. You can find a pre-compiled version of this here: https://github.com/erfg12/dosbox-cheats/releases